Network
Your device can automatically switch between the GSM
and UMTS networks. The GSM network is indicated with
in the standby mode. The UMTS network is indicated
with .
Network mode
(shown only if supported by the
operator)—Select which network to use. If you select
Dual
mode
, the device uses the GSM or UMTS network
automatically, according to the network parameters and
the roaming agreements between the network operators.
Contact your network operator for more details.
Operator selection
—Select
Automatic
to set the device
to search for and select one of the available networks, or
Manual
to manually select the network from a list of
networks. If the connection to the manually selected
network is lost, the device sounds an error tone and asks
you to reselect a network. The selected network must have
a roaming agreement with your home network, that is, the
operator whose SIM card is in your device.
Glossary: A roaming agreement is an agreement
between two or more network service providers to
enable the users of one service provider to use the
services of other service providers.
Tools
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Cell info display
—Select
On
to set the device to indicate
when it is used in a cellular network based on
microcellular network (MCN) technology and to activate
cell info reception.